The Dremel 4000-5/36H 4000 Series Rotary Tool Kit features a variable speed rotary tool that offers the highest performance and most versatility of any Dremel rotary tool. The increased strength of its motor plus electronic feedback circuitry enables consistent performance at all speed levels. Dremel 4000 can use all existing Dremel accessories and attachments plus high-performance attachments to complete the widest range of projects. A slim, ergonomic body provides a 360-degree grip zone for comfort and control in any grip position. Powerful, user-friendly, and built to last, this handy little tool helps you complete a range of crafting, hobby, and artisan projects.